#include<bits/stdc++.h>
using namespace std;
int r[100005],v[100005];
int main(){
    freopen("duel.in","r",stdin);
    freopen("duel.out","w",stdout);
    ios::sync_with_stdio(false);
    cin.tie(0),cout.tie(0);
    int n;
    cin>>n;
    for(int i = 1;i<=n;i++){
        cin>>r[i];
        v[r[i]]++;
    }
    int nmax=0;
    for(int i = 1;i<=n;i++){
        nmax=max(nmax,v[r[i]]);
    }
    cout<<nmax;
    return 0;
}
